Agriculture & Biology
humid tropics
98%
chronosequences
98%
pastures
57%
phosphorus
53%
soil
36%
soil organic carbon
30%
Oxisols
22%
Costa Rica
19%
common lands
15%
rain
14%
Entisols
13%
Mollisols
13%
pasture management
12%
land use change
10%
tropical rain forests
10%
organic soils
10%
soil types
8%
lowlands
8%
soil organic matter
8%
plant growth
6%
cattle
5%
Earth & Environmental Sciences
humid tropics
100%
chronosequence
85%
pasture
69%
phosphorus
51%
soil
30%
Oxisol
17%
organic carbon
15%
common land
9%
Entisol
9%
Mollisol
9%
tropical rain forest
8%
rainfall
8%
loss
6%
organic soil
6%
cattle
6%
soil type
6%
land use change
5%
organic matter
4%
world
3%
Physics & Astronomy
tropical regions
90%
soils
74%
phosphorus
69%
Costa Rica
21%
rain forests
11%
carbon
11%
cattle
9%
Chemical Compounds
Soil
60%
Phosphorus(.)
59%
Organic Carbon
18%
Plant Growth
7%
Organic Matter
5%